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| Rev | Author | Line No. | Line |
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| 1120 | pj | 1 | /* |
| 2 | * Project: S.Ha.R.K. |
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| 3 | * |
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| 4 | * Coordinators: |
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| 5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 7 | * |
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| 8 | * Authors : |
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| 9 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 10 | * (see the web pages for full authors list) |
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| 11 | * |
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| 12 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 13 | * |
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| 14 | * http://www.sssup.it |
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| 15 | * http://retis.sssup.it |
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| 16 | * http://shark.sssup.it |
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| 17 | */ |
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| 18 | |||
| 19 | /* |
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| 20 | * Copyright (C) 2000 Paolo Gai |
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| 21 | * |
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| 22 | * This program is free software; you can redistribute it and/or modify |
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| 23 | * it under the terms of the GNU General Public License as published by |
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| 24 | * the Free Software Foundation; either version 2 of the License, or |
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| 25 | * (at your option) any later version. |
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| 26 | * |
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| 27 | * This program is distributed in the hope that it will be useful, |
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| 28 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 29 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 30 | * GNU General Public License for more details. |
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| 31 | * |
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| 32 | * You should have received a copy of the GNU General Public License |
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| 33 | * along with this program; if not, write to the Free Software |
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| 34 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 35 | * |
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| 36 | * |
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| 1547 | pj | 37 | * CVS : $Id: pidemo.c,v 1.4 2005-01-08 14:31:38 pj Exp $ |
| 1120 | pj | 38 | |
| 39 | This test verify the correctness of the PI module. |
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| 40 | |||
| 41 | the main task (NRT) lock a PI mutex. |
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| 42 | then 2 tasks arrives, with priority higher than the main |
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| 43 | |||
| 44 | the first try to lock the mutex, but it can't, so the main inherit |
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| 45 | his priority. The second simply prints a string. |
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| 46 | |||
| 47 | If all works, the string of the second task is printed after the end of |
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| 48 | the first task. |
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| 49 | |||
| 50 | */ |
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| 51 | |||
| 52 | #include "kernel/kern.h" |
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| 53 | |||
| 54 | mutex_t m1; |
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| 55 | |||
| 56 | |||
| 57 | TASK goofy1(void *a) |
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| 58 | { |
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| 59 | cprintf("goofy1 before mutex_lock\n"); |
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| 60 | mutex_lock(&m1); |
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| 61 | cprintf("goofy1 after mutex_lock\n"); |
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| 62 | |||
| 63 | mutex_unlock(&m1); |
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| 64 | cprintf("goofy1 after mutex_unlock\n"); |
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| 65 | |||
| 66 | return 0; |
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| 67 | } |
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| 68 | |||
| 69 | TASK goofy2() |
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| 70 | { |
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| 71 | cprintf("goofy2 inside goofy2\n"); |
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| 72 | return 0; |
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| 73 | } |
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| 74 | |||
| 75 | int main(int argc, char **argv) |
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| 76 | { |
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| 77 | HARD_TASK_MODEL m; |
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| 78 | PID p2,p3; |
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| 79 | |||
| 1377 | giacomo | 80 | struct timespec t; |
| 81 | |||
| 1120 | pj | 82 | PI_mutexattr_t a; |
| 83 | |||
| 84 | hard_task_default_model(m); |
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| 85 | hard_task_def_mit(m,50000); |
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| 86 | hard_task_def_wcet(m,20000); |
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| 87 | hard_task_def_group(m,1); |
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| 88 | |||
| 89 | hard_task_def_arg(m,(void *)1); |
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| 90 | p2 = task_create("goofy1", goofy1, &m, NULL); |
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| 91 | if (p2 == NIL) |
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| 92 | { cprintf("Can't create goofy1 task...\n"); return 1; } |
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| 93 | |||
| 94 | hard_task_def_mit(m,100000); |
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| 95 | p3 = task_create("goofy2", goofy2, &m, NULL); |
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| 96 | if (p3 == NIL) |
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| 97 | { cprintf("Can't create goofy2 task...\n"); return 1; } |
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| 98 | |||
| 99 | PI_mutexattr_default(a); |
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| 100 | mutex_init(&m1,&a); |
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| 101 | |||
| 102 | cprintf("main before mutex_lock\n"); |
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| 103 | mutex_lock(&m1); |
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| 104 | cprintf("main after mutex_lock\n"); |
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| 105 | |||
| 106 | group_activate(1); |
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| 107 | |||
| 108 | cprintf("main after group_activate\n"); |
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| 109 | mutex_unlock(&m1); |
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| 110 | cprintf("main after mutex_unlock\n"); |
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| 111 | |||
| 112 | mutex_destroy(&m1); |
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| 113 | cprintf("main after mutex_destroy\n"); |
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| 114 | |||
| 1377 | giacomo | 115 | do { |
| 116 | sys_gettime(&t); |
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| 117 | } while (t.tv_sec < 10); |
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| 118 | |||
| 1547 | pj | 119 | exit(0); |
| 1377 | giacomo | 120 | |
| 1120 | pj | 121 | return 0; |
| 1377 | giacomo | 122 | |
| 1120 | pj | 123 | } |